81287550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{20071}}^1$

素因数の和:20095

約数の個数: 60

約数和(自身を含む): 225870216

約数和(自身を除く): 144582666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 20071, 40142, 60213, 100355, 120426, 180639, 200710, 301065, 361278, 501775, 541917, 602130, 903195, 1003550, 1083834, 1505325, 1625751, 1806390, 2709585, 3010650, 3251502, 4515975, 5419170, 8128755, 9031950, 13547925, 16257510, 27095850, 40643775, 81287550]

約数ペア:

[(1, 81287550), (2, 40643775), (3, 27095850), (5, 16257510), (6, 13547925), (9, 9031950), (10, 8128755), (15, 5419170), (18, 4515975), (25, 3251502), (27, 3010650), (30, 2709585), (45, 1806390), (50, 1625751), (54, 1505325), (75, 1083834), (81, 1003550), (90, 903195), (135, 602130), (150, 541917), (162, 501775), (225, 361278), (270, 301065), (405, 200710), (450, 180639), (675, 120426), (810, 100355), (1350, 60213), (2025, 40142), (4050, 20071)]